... 1,oem pcba,SMT,DIP and final Assembly. 2,dustless, best service PCBA assembly and design,SMD,SMTTechnical requirement:1) ... Surface-mounting Technology(SMT) and Through-hole/DIP2) 0201,0402 ... international standards.6) Nitrogen gas reflow soldering technology for SMT.7) High density interconnected board placement technology capacity. ...